USA SAE A 988/A 988M (2011), A 988 S31700 Specialsteel Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | A 988 S31700 | Austenite | SAE | USA | Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service |
C | Si | Mn | P | S | Cr | Ni | Mo | N |
---|---|---|---|---|---|---|---|---|
≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 18.00 -20.00 | 11.00 -15.00 | 3.00 -4.00 | ≤0.10 |
Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
---|---|---|---|---|---|---|
923 (≥) | 596 (≥) | 11 | 44 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 422 |
Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
---|---|---|---|---|---|---|---|
22 | - | - | 0.31 | - | |||
525 | 418 | - | 21.3 | 123 | - | ||
471 | - | 34 | 32.2 | 411 | 221 |
Heat treated : 1784°C - 1282°C
Grade | Standard | Country | Application |
---|---|---|---|
1.4317 | |||
1.4317 | |||
1.4317 | |||
317 | |||
S31700 | |||
317L | |||
S31703 | |||
317LM | |||
S31725 | |||
317LMN | |||
S31726 | |||
S31727 | |||
317LN | |||
S31753 | |||
317LM | |||
317L4 | |||
S31700 | |||
317 | |||
S31703 | |||
317L |
A 988/A 988M (2011) | Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service | A-988-A-988M-(2011).pdf |
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